Pro tips for Yamaha RD mototorcycles and other 2 Strokes

Rising Value of Rumi Formichino Scooters – A Collector’s Delight If you’ve ever stumbled upon a Rumi Formichino at a classic scooter meet, you’ll know it’s not your run-of-the-mill

Water-Cooling Conversions on Classic Scooters: GT750 Case Study 1. Intro – the first time I saw a kettle sprout hoses I met the Water Buffalo—Suzuki’s 1972 GT750—at a dusty swap-meet in

Combustion-chamber dome redesign in vintage 2-strokes or, how shaving a few cubic centimetres off a lump of aluminium can make a 1974 smoker feel like 2024 (adsbygoogle = window.adsbygoogle ||

Twin-carb tuning for two-stroke street bikes (how to stop one cylinder from sulking without throwing wrenches) I once rolled my RD350 onto a kerb in the rain because the left carb was sulking. One

Design of Micro-Perforated Mufflers for Sound Reduction Noise control in engineering isn’t just about making things quieter — it’s about doing it in a way that lasts, fits the space, and

Aluminum frames in RG250 influencing modern builds or, how a square-pipe skeleton from 1983 keeps sneaking into 2025 CAD files 1. Intro – the first time I saw the ghost I was elbow-deep in a 2024

Harley-Davidson SX175: Classic 2-Stroke Enduro Ride (adsbygoogle = window.adsbygoogle || []).push({}); I first met an SX175 the way most people meet stray dogs: it rolled up uninvited, covered in

Harley-Davidson SX125: 2-Stroke Dual-Sport Legend (adsbygoogle = window.adsbygoogle || []).push({}); I still remember the first time I kicked one over. It was a drizzly Saturday in 1994, behind my

Harley-Davidson RR250: Iconic 2-Stroke Grand Prix Racer (adsbygoogle = window.adsbygoogle || []).push({}); I first heard an RR250 in the flesh two summers ago at a soggy Belgian paddock. It sounded

Harley-Davidson Baja 100: Trail-Ready 2-Stroke Classic I only ever saw one in the wild, half-buried in a Tucson shed between a stack of irrigation pipe and a faded Pac-Man arcade cabinet. The owner